Added details around benchcab outputs to the PR template. Fixes #517

.github/pull_request_template.md

@@ -20,8 +20,11 @@ Please delete options that are not relevant.
 
 ## Checklist
 
-- [ ] The new content is accessible and located in the appropriate section.
-- [ ] I have checked that links are valid and point to the intended content.
+- [ ] The new content is accessible and located in the appropriate section
+- [ ] I have checked that links are valid and point to the intended content
 - [ ] I have checked my code/text and corrected any misspellings
+- [ ] I have included relevant test results (i.e. benchcab outputs or path to readable logs) to ensure that the code compiles, runs and is bitwise compatible to the main branch*
+
+**Unless a a change in outputs is expected, in which case add someone with relevant scientific expertise as a reviewer*
 
 Please add a reviewer when ready for review.